Dr Chuah was previously a consultant at the Department of Gastroenterology & Hepatology and director of the Inflammatory Bowel Disease Centre at Singapore General Hospital (SGH). She was also a visiting consultant at KK Women’s and Children’s Hospital. She continues to be a visiting consultant at SGH.

She was also the co-chair of the executive committee for SGH's Centre for Digestive and Liver Diseases, and the Singhealth Transition Care Workgroup.